This series adds XEN pvSCSI support. With pvSCSI it is possible to use physical SCSI devices from a XEN domain.
The support consists of a backend in the privileged Domain-0 doing the real I/O and a frontend in the unprivileged domU passing I/O-requests to the backend. The code is taken (and adapted) from the original pvSCSI implementation done for Linux 2.6 in 2008 by Fujitsu. Changes in V6: - changes in scsifront module after comments from Konrad Wilk - remove double kfree in scsiback - comments in vscsiif.h adapted after comments from Jan Beulich and David Vrabel in xen-devel - added linux-scsi@vger.kernel.org to MAINTANERS entry Changes in V5: - Added patch to support threaded irqs for interdomain event channels - several changes in xen-scsifront after comments from Christoph Hellwig - several changes in xen-scsiback after comments from Christoph Hellwig - several changes in xen-scsiback after comments from James Bottomley - several changes in xen-scsiback after comments from Nicholas Bellinger Changes in V4: - Re-add define for VSCSIIF_ACT_SCSI_SG_PRESET to vscsiif.h to indicate this action value should not be used in future enhancements Changes in V3: - added some comments to the protocol header file - removed the CDB emulation from xen-scsiback, handled by core target infrastructure - several changes in xen-scsifront after comments from Christoph Hellwig Changes in V2: - use core target infrastructure by backend instead of pure SCSI passthrough - add support for larger SG lists by putting them in grant page(s) - add command abort capability Juergen Gross (5): xen/events: support threaded irqs for interdomain event channels Add XEN pvSCSI protocol description Introduce xen-scsifront module Introduce XEN scsiback module add xen pvscsi maintainer MAINTAINERS | 9 + drivers/scsi/Kconfig | 9 + drivers/scsi/Makefile | 1 + drivers/scsi/xen-scsifront.c | 1024 +++++++++++++++++ drivers/xen/Kconfig | 9 + drivers/xen/Makefile | 1 + drivers/xen/events/events_base.c | 5 +- drivers/xen/xen-scsiback.c | 2124 ++++++++++++++++++++++++++++++++++++ include/xen/events.h | 2 + include/xen/interface/io/vscsiif.h | 229 ++++ 10 files changed, 3411 insertions(+), 2 deletions(-) create mode 100644 drivers/scsi/xen-scsifront.c create mode 100644 drivers/xen/xen-scsiback.c create mode 100644 include/xen/interface/io/vscsiif.h -- 1.8.4.5 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
